An artist's impression depicts the accretion disc surrounding a black hole, in which the inner region of the disc wobbles. In ...
Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?
Black holes are notoriously difficult to spot unless they are active, and one type of activity is the destruction of a star, ...
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The shocking Andromeda paradox

Neil deGrasse Tyson breaks down the Andromeda paradox, showing how relativity makes our nearest galaxy appear to move strangely—and what this mind-bending effect reveals about spacetime.
In 1919, British astronomers Arthur Eddington and Frank Dyson organised an expedition to Príncipe, a forested fleck of land ...
Clocks tick faster on Mars than they do on Earth, in part because Mars experiences less gravitational pull from the Sun. Now scientists have calculated just how much faster -- 477 microseconds, on ...
From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...
In 2008, a team of UCLA-led scientists proposed a scheme to use a laser to excite the nucleus of thorium atoms to realize extremely accurate, portable clocks. Last year, they realized this ...
For the first time, a group of physicists is arguing that a warp drive is not just a mathematical curiosity but something ...
The exploration of quantum information challenges objective reality, positing the universe as a hologram is explored through ...
The Secondary Principals' Association of New Zealand (SPANZ) has ratified the Principals' Collective Agreement 2025–2028, with 99 percent of members voting in favour of the settlement.
Scientists have made a major step towards building the world's first practical nuclear clock.In a study published today in Nature, the team ...